I seem to remember that on some of those GM 2.8s we had issues with the wiring from the pickup coil to the module, and or from the module to the coil. You may want to check continuity from the pickup to the ignition module and from the module to the coil. Make sure the insulation is in good shape and that the wires in the distributor won't short to ground.

Last edited by MartySoCal; 03/12/11 03:37 PM.